Examples with NotInTransactionException org.neo4j.graphdb.NotInTransactionException used on opensource projects

Example 16 with NotInTransactionException

use of org.neo4j.graphdb.NotInTransactionException in project neo4j-mobile-android by neo4j-contrib.

the class LockReleaser method getAndSetupPrimitiveElement.

private PrimitiveElement getAndSetupPrimitiveElement() {
    Transaction tx = getTransaction();
    if (tx == null) {
        throw new NotInTransactionException();
    }
    PrimitiveElement primitiveElement = cowMap.get(tx);
    if (primitiveElement == null) {
        primitiveElement = new PrimitiveElement();
        cowMap.put(tx, primitiveElement);
    }
    return primitiveElement;
}

Example 17 with NotInTransactionException

use of org.neo4j.graphdb.NotInTransactionException in project neo4j-mobile-android by neo4j-contrib.

the class IndexConnectionBroker method delistResourcesForTransaction.

void delistResourcesForTransaction() throws NotInTransactionException {
    Transaction tx = this.getCurrentTransaction();
    if (tx == null) {
        throw new NotInTransactionException();
    }
    T con = txConnectionMap.get(tx);
    if (con != null) {
        try {
            tx.delistResource(con.getXaResource(), XAResource.TMSUCCESS);
        } catch (IllegalStateException e) {
            throw new RuntimeException("Unable to delist lucene resource from tx", e);
        } catch (SystemException e) {
            throw new RuntimeException("Unable to delist lucene resource from tx", e);
        }
    }
}

Example 18 with NotInTransactionException

use of org.neo4j.graphdb.NotInTransactionException in project neo4j-mobile-android by neo4j-contrib.

the class IndexConnectionBroker method acquireResourceConnection.

public T acquireResourceConnection() {
    T con = null;
    Transaction tx = this.getCurrentTransaction();
    if (tx == null) {
        throw new NotInTransactionException();
    }
    con = txConnectionMap.get(tx);
    if (con == null) {
        try {
            con = (T) newConnection();
            if (!tx.enlistResource(con.getXaResource())) {
                throw new RuntimeException("Unable to enlist '" + con.getXaResource() + "' in " + tx);
            }
            tx.registerSynchronization(new TxCommitHook(tx));
            txConnectionMap.put(tx, con);
        } catch (javax.transaction.RollbackException re) {
            String msg = "The transaction is marked for rollback only.";
            throw new RuntimeException(msg, re);
        } catch (javax.transaction.SystemException se) {
            String msg = "TM encountered an unexpected error condition.";
            throw new RuntimeException(msg, se);
        }
    }
    return con;
}

Example 19 with NotInTransactionException

use of org.neo4j.graphdb.NotInTransactionException in project graphdb by neo4j-attic.

the class LockReleaser method addLockToTransaction.

/**
     * Invoking this method with no transaction running will cause the lock to 
     * be released right away.
     * 
     * @param resource
     *            the resource on which the lock is taken
     * @param type
     *            type of lock (READ or WRITE)
     * @throws NotInTransactionException
     */
public void addLockToTransaction(Object resource, LockType type) throws NotInTransactionException {
    Transaction tx = getTransaction();
    List<LockElement> lockElements = lockMap.get(tx);
    if (lockElements != null) {
        lockElements.add(new LockElement(resource, type));
    } else {
        if (tx == null) {
            // no transaction we release lock right away
            if (type == LockType.WRITE) {
                lockManager.releaseWriteLock(resource, null);
            } else if (type == LockType.READ) {
                lockManager.releaseReadLock(resource, null);
            }
            return;
        }
        lockElements = new ArrayList<LockElement>();
        lockMap.put(tx, lockElements);
        lockElements.add(new LockElement(resource, type));
        // tx was read only
        try {
            tx.registerSynchronization(new ReadOnlyTxReleaser(tx));
        } catch (Exception e) {
            throw new TransactionFailureException("Failed to register lock release synchronization hook", e);
        }
    }
}

Example 20 with NotInTransactionException

use of org.neo4j.graphdb.NotInTransactionException in project graphdb by neo4j-attic.

the class PersistenceManager method getResource.

private ResourceConnection getResource() {
    ResourceConnection con = null;
    Transaction tx = this.getCurrentTransaction();
    if (tx == null) {
        throw new NotInTransactionException();
    }
    con = txConnectionMap.get(tx);
    if (con == null) {
        try {
            con = persistenceSource.createResourceConnection();
            if (!tx.enlistResource(con.getXAResource())) {
                throw new ResourceAcquisitionFailedException("Unable to enlist '" + con.getXAResource() + "' in " + "transaction");
            }
            tx.registerSynchronization(new TxCommitHook(tx));
            registerTransactionEventHookIfNeeded();
            txConnectionMap.put(tx, con);
        } catch (javax.transaction.RollbackException re) {
            String msg = "The transaction is marked for rollback only.";
            throw new ResourceAcquisitionFailedException(msg, re);
        } catch (javax.transaction.SystemException se) {
            String msg = "TM encountered an unexpected error condition.";
            throw new ResourceAcquisitionFailedException(msg, se);
        }
    }
    return con;
}